205227509147 has 8 divisors (see below), whose sum is σ = 205343087040. Its totient is φ = 205111970560.

The previous prime is 205227509119. The next prime is 205227509183. The reversal of 205227509147 is 741905722502.

205227509147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205227509147 - 2¹⁴ = 205227492763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205227509098 and 205227509107.

It is not an unprimeable number, because it can be changed into a prime (205227509107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19486379 + ... + 19496907.

It is an arithmetic number, because the mean of its divisors is an integer number (25667885880).

Almost surely, 2^205227509147 is an apocalyptic number.

205227509147 is a deficient number, since it is larger than the sum of its proper divisors (115577893).

205227509147 is a wasteful number, since it uses less digits than its factorization.

205227509147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19653.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 205227509147 in words is "two hundred five billion, two hundred twenty-seven million, five hundred nine thousand, one hundred forty-seven".